import { BaseError } from '../error/mod.js';
export declare class JsonEncodingError extends BaseError {
    readonly _tag = "JsonEncodingError";
}
export declare class JsonDecodingError extends BaseError {
    readonly _tag = "JsonDecodingError";
}
export declare function encodeJson(encodable: any): {
    error?: never;
    value: string;
} | {
    error: JsonEncodingError;
    value?: never;
};
export declare function decodeJson<Decoded>(json: string): {
    error: JsonEncodingError;
    value?: never;
} | {
    error?: never;
    value: Decoded;
};
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